// pages/coupons/coupons.js
var that,
  api = new (require('../../utils/api.js')),
  headimg = api.getimgurl(),
  app = getApp(),
  util = new (require('../../utils/util.js'));
Page({

  /**
   * 页面的初始数据
   */
  data: {
    selectindex:1,
    couponslist:[],
    ischeck:!1,
    page:1,
  },

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    that=this;
    that.getdata()
  },
  getdata(){
    let {selectindex,page,couponslist}=that.data
    api.couponlists({page,cateId:selectindex},res=>{
      if(res.data.code==0){
        let {couponArr,nextPage}=res.data.entity.data
        if(couponArr.length>0){
          couponArr.forEach(x=>{
            x.apart=0
            if(x.status==1){
              let timestamp = Date.parse(new Date())/1000
              let apart=Math.ceil((x.endTime-timestamp)/(24*60*60))
              x.apart=apart
            }
            x.starttime=util.formatDate(new Date(x.startTime*1000))
            x.endtime=util.formatDate(new Date(x.endTime*1000))
            x.data=util.formatDate(new Date(x.addTime*1000))
            
            if(x.useTime!=0){
              x.useTime=util.formatDate(new Date(x.useTime*1000))
            }
            couponslist.push(x)
          })
        }
        that.setData({couponslist,nextPage})
      }
    })
  },
  toselect(e){
    let { index } = e.currentTarget.dataset, { selectindex } = that.data;
    if (selectindex == index) {
      return;
    } 
    this.setData({ selectindex: index,page:1,couponslist:[]},()=>{
      that.getdata()
    });
  },
  todetail(e){
    let { selectindex } = that.data
    if(selectindex==1){
      wx.navigateTo({
        url: '../couponDetail/couponDetail?id='+e.currentTarget.dataset.id,
      })
    }else{
      that.setData({ischeck:!0})
    }
  },
  close(){
    that.setData({ischeck:!1})
  },
  /**
   * 生命周期函数--监听页面初次渲染完成
   */
  onReady: function () {

  },

  /**
   * 生命周期函数--监听页面显示
   */
  onShow: function () {

  },

  /**
   * 生命周期函数--监听页面隐藏
   */
  onHide: function () {

  },

  /**
   * 生命周期函数--监听页面卸载
   */
  onUnload: function () {

  },

  /**
   * 页面相关事件处理函数--监听用户下拉动作
   */
  onPullDownRefresh: function () {

  },

  /**
   * 页面上拉触底事件的处理函数
   */
  onReachBottom: function () {
    let {nextPage,page}=that.data
    if(nextPage==1){
      page=page+1
      that.setData({page},()=>{
        that.getdata()
      })
    }
  },

  /**
   * 用户点击右上角分享
   */
  onShareAppMessage: function () {

  }
})